Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The smell of freshly cut grass is actually a plant distress call.
31
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Sound travels fifteen times faster through steel than through air.
134
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A ball of glass will bounce higher than a ball made of rubber.
73